The MacArthur-Forrest process is used for the | vedclass

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(C) The $MacArthur-Forrest$ process,also known as the cyanide process,is a hydrometallurgical technique used for extracting gold $(Au)$ from low-grade

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$Au$

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(C) The $MacArthur-Forrest$ process,also known as the cyanide process,is a hydrometallurgical technique used for extracting gold $(Au)$ from low-grade ores. In this process,the crushed ore is treated with a dilute solution of sodium cyanide $(NaCN)$ in the presence of air $(O_2)$,which dissolves the gold as a soluble complex,$Na[Au(CN)_2]$.

The $MacArthur-Forrest$ process is used for the extraction of which of the following metals?

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